The Laboratory Rabbit, Guinea Pig, Hamster, and Other Rodents




Дата канвертавання26.04.2016
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M. Suckow, K. Stevens, and R. Wilson, editors, 2012. The Laboratory Rabbit, Guinea Pig, Hamster, and Other Rodents, 1st edition. Elsevier, Oxford, UK.
Chapter 26 Taxonomy and History, pp. 747-752
QUESTIONS:

1. Which suborder of Rodentia are hamsters classified into?

a. Sciuromorpha

b. Myomorpha

c. Hystricomorpha

2. Cricetinae are found in the following areas except

a. Europe

b. Asia


c. North America

d. Middle East

3. All are true about Mesocricetus auratus except

a. Ellerman established the genus Mesocrecetus in 1940

b. Originally named Crecetus auratus by Waterhouse in 1839

c. They construct deep, chambered burrows in which they store grain and other feedstuffs foraged from the fields.

d. Their natural habitat is dry, rocky steppes or brush slopes

4. True or False: There are 6 genera in the subfamily Cricetinae.

5. Hamsters are primarily

a. Carnivorous

b. Herbivorous

c. Insectivorous

d. Granivorous

6. True or False: Hamsters do not readily fight one another.

7. All is true regarding the origin of laboratory hamsters except

a. They originated from 3-4 littermates captured in Syria in 1930

b. They have a wide genetic base

c. Professor I. Aharoni collected the first nest of Syrian hamsters

d. Dr. Alder was recognized the value of Syrian hamsters as a laboratory animal and distributed them to other laboratories.

8. After 1950, research demands for laboratory hamsters were met by which 2 major commercial suppliers in the United States? (choose 2)

a. Engle Laboratory Animals

b. The Jackson Laboratory

c. Lakeview Hamster Colony

d. Hilltop Lab Animals

9. All is true regarding Engle Laboratory Animals except

a. Founded by Everett Engle in 1949 when he was 14 years old

b. By 1970 they were producing 14000 hamsters per week

c. The company was sold to Harlan Laboratories in 1984

d. Engle attributed his success in raising hamsters to nutrition

10. All is true regarding Lakeview Hamster Colony except

a. The founder is Steven Slater, a former ceramic engineer

b. Wet tail was initially a challenge for them to overcome

c. The animals were marketed to laboratories in the Chicago Area

d. Slater developed the defined-flora hamster

11. Lakeview was sold to?

a. Charles River Laboratories

b. The Jackson Laboratory

c. Harlan Laboratories

d. Hilltop Lab Animals

12. True or False: both Lakeview and Engle obtained their breeding stock from the Gulf Hamstery colony in Mobile, AL which was owned by Albert F Marsh.

13. Syrian Hamsters were introduced into the scientific community by Adler and Theodor in 1931, who reported on their use in

a. Tularemia

b. Ectomelia

c. Ehrlichia

d. Leishmaniasis

14. Before 1954, over half of the publications regarding use of Syrian hamsters involved

a. microbiology

b. parasitology

c. dental disease

d. all of the above

15. True or False: In the recommended rules for a nomenclatural system, the symbol for M. auratus is (SYR).

16. Coat colors and characteristics include all except

a. white

b. piebald

c. agouti

d. hairless

e. longhaired
ANSWERS:

1. B


2. C

3. A – Nehring in 1902; Ellerman pointed out it was a well-characterized and distinct genus in 1940

4. False – there are 7 genera: Allocricetulus, Cansumys, Cricetulus, Cricetus, Mesocricetus, Phodopus and Tscherskia.

5. D


6. False

7. B


8. A &C

9. D – Success due to minimizing stress during weaning and shipping. “Wet tail” was not a problem if shipping boxes were not overcrowded and carefully packed.

10. C – Marketed to the Philadelphia/New York area

11. A


12. True

13. D


14. D

15. True


16. C


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